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1.

Ledger Attachment
The ledger connection, where the deck connects to the house, is the most common failure point on a poorly built deck. It's very important to use lag screws (SDS) or through-bolts rather than nails to secure your deck to the ledger board.

2.

Joist-to-Ledger
The floor joists intersect into a beam or ledger board and must be properly secured.

3.

Joist-to-Beam
The beams must be secured to the joists that support the floor of the deck.

4.

Beam-to-Post
The post must be properly connected to the beams underneath the deck.

5.

Railing Post-to-Deck Framing
People often get injured due to weak or wobbly railings on a deck. The railing must be properly attached to the perimeter of the deck as well as the floor joists running underneath the deck.

6.

Stair Stringer-to-Deck Framing
The stair stringers that run along each of the stair steps (or treads) must be secured to the deck framing.

7.

Stair Tread-to-Stringer
Each stair step (or tread) must be tied to the stair stringers.

8.

Post-to-Concrete
Post bases are used to connect the post to the footing or concrete slab underneath your deck.